Operation CHARM: Car repair manuals for everyone.

Sensor Test Navigation System (BM On-Board Monitor)




Sensor Test Navigation System

Information is shown in the LC display, on-board monitor

The sensor test can be selected as follows:
- Select main menu
- Selection - settings
- Press and hold the "MENU" button longer than 8 s in the settings mask
- Select sensor test

The following mask then appears in the display







- 1 wheel-speed sensor, number of impulse of the engine speed sensor per minute, left and right wheel. (on the E46 only the signal of the left rear wheel is used, on the E53 of the left front wheel).
- 2 Number of satellites currently received by GPS
- 3 GPS status
- 4 directional arrow; voltage delivered by the gyro sensor in mV.
- 5 Direction of travel forward/reverse

Function test

- Select sensor test
- Drive several small diameter circles with the vehicle outdoors
- Observe displays/indicators for sensor test


Display 1-5:






Definition GPS status